It has a 400-foot wingspan, can achieve heights of over 60,000 feet, will be able to carry a payload of up to 1,000 pounds, and can stay at altitude for over five years or 44,000 hours, thanks to solar power and ultra-efficient electric motors and propellers.

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This is no ordinary plane. It can fly high above the clouds for months on end. It can also fly without having to go back down to earth for some fuel. And it is a spy plane.
A group of British scientists created this spy plane which runs using solar power. And this has actually just [...]

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